One model.
Many motions.
Diverse terrains.

Explore NEXUS, a general-purpose Perceptive Behavior Foundation Model, across motions and terrains. The motions available here are a small selection for this interactive demo.

Take control anytime

↑↓Move forward / backward

←→Turn left / right

Hold an arrow key to move. Release to resume the motion, or stand if no motion is playing.

Apply force Hold Shift and drag the robot while playing to apply force. Release the mouse or Shift to let go.

Choose a scene

Click a terrain to switch immediately.

Try a motion

Click to play from the robot’s current position.

Simulation controls

Follow robot

Import your motion

G1 29-joint JSON or CSV · up to 120 s / 20 MB. Files stay in your browser. Human motion must first be retargeted to G1.

Motion file

Positions in metres; joint angles in radians. Format guide · Example JSON

Build your own terrain

Build a terrain patch surrounded by open flat ground. Patch width changes the obstacles area, not the full walking space. Generate & reset applies changes and returns the robot to its starting stance.

Shape

Ascend outward from the center

ROBOT PERCEPTION

Controller state: Default
Simulation time: 0.00 s
Simulation speed: —
Policy inference: —

Fallen? Recover robot to continue here.